Rare Bird Review List

The Iowa Records Committee was established in 1982 to review extraordinary avian reports in order to assure that publications of both historical and contemporary reports were supported by carefully examined evidence, and to maintain a central repository of this information. The species in the review list always require documentation, reviewed by the seven member Records Committee, to archive the details of birds rare in Iowa.  Most of these are accidental species with few reports over the years and species which are difficult to positively identify because of possible hybridization or confusion with similar species.

With the proliferation of quality digital images and the adding of a layer of external review which agrees with the goal of publishing only well-evidenced species, the Records Committee has begun to redefine Iowa's Review List, the list of species for which reports require a full seven-member review.  Most species remaining on the List are accidentals with few reports over the years, but nine casuals which are difficult to positively identify, some with possible hybridization confusion, also remain on the List. As always, seasonal field reports editors and eBird reviewers may request a full review of questionable IDs, but generally good photographs will be enough to satisfy the evidence requirement.

Status of Greater Prairie-Chicken: This species is regularly recorded in the Kellerton Grasslands in Ringgold County, but the viability of that population is subject to much debate. Birds encountered elsewhere, usually in winter, are considered accidental.

DEFINITIONS
Casual - recorded in 3-8 of the last 10 years.
Accidental - recorded in 0-3 of the last 10 years.
Extirpated - formerly recorded; no wild birds recorded in the state in recent years.

Any species new to the state is automatically on the review list. The species name in this list is a link to the records that have been entered into the database.

Documenting Regularly Occurring Species Seen at Unusual Times

PDFThe Early-Late Dates are updated four times each year after each seasonal report has been published. This list is intended to give birders a guideline for providing details and perhaps documenting birds observed outside of the know time frames. These docs are reviewed by seasonal editors to substantiate changing patterns. Print a copy for your car.

Species with No Photo in eBird Needing Documentation
Brant Harlequin Duck King Rail
Black Rail Snowy Plover Red Phalarope
Brown Pelican Little Blue Heron Black Vulture
Swallow-tailed Kite Ferruginous Hawk Burrowing Owl
Gyrfalcon Say's Phoebe Black-billed Magpie
Rock Wren Mountain Bluebird Varied Thrush
Evening Grosbeak Pine Grosbeak Prairie Warbler
Painted Bunting
Fulvous Whistling-Duck
Accidental (Records: 2)
Taiga Bean-Goose
Accidental (Records: 1)
Tundra Bean-Goose
Accidental (Records: 1)
Garganey
Accidental (Records: 3)
Eurasian Wigeon
Accidental (Records: 5)
Mottled Duck
Casual (Records: 14)
King Eider
Accidental (Records: 1)
Common Eider
Accidental (Records: 2)
Barrow's Goldeneye
Accidental (Records: 9)
Greater Prairie-Chicken
Accidental (Records: 4)
Clark's Grebe
Accidental (Records: 5)
Inca Dove
Accidental (Records: 1)
Common Ground Dove
Accidental (Records: 2)
Groove-billed Ani
Accidental (Records: 3)
Mexican Violetear
Accidental (Records: 2)
Anna's Hummingbird
Accidental (Records: 2)
Rufous Hummingbird
Casual (Records: 17)
Broad-billed Hummingbird
Accidental (Records: 2)
Purple Gallinule
Accidental (Records: 6)
Limpkin
Accidental (Records: 19)
Whooping Crane
Accidental (Records: 5)
Long-billed Curlew
Accidental (Records: 7)
Bar-tailed Godwit
Accidental (Records: 1)
Red Knot
Casual (Records: 19)
Ruff
Casual (Records: 17)
Sharp-tailed Sandpiper
Accidental (Records: 5)
Curlew Sandpiper
Accidental (Records: 5)
Pomarine Jaeger
Accidental (Records: 6)
Parasitic Jaeger
Casual (Records: 13)
Long-tailed Jaeger
Accidental (Records: 6)
Thick-billed Murre
Accidental (Records: 2)
Long-billed Murrelet
Accidental (Records: 1)
Ancient Murrelet
Accidental (Records: 1)
Ivory Gull
Accidental (Records: 2)
Black-headed Gull
Accidental (Records: 8)
Little Gull
Casual (Records: 21)
Ross's Gull
Accidental (Records: 4)
Black-tailed Gull
Accidental (Records: 1)
Heermann's Gull
Accidental (Records: 1)
Short-billed Gull
Accidental (Records: 9)
Slaty-backed Gull
Accidental (Records: 2)
Glaucous-winged Gull
Accidental (Records: 1)
Arctic Tern
Accidental (Records: 5)
Royal Tern
Accidental (Records: 1)
Yellow-billed Loon
Casual (Records: 8)
Wood Stork
Accidental (Records: 2)
Magnificent Frigatebird
Accidental (Records: 2)
Brown Booby
Accidental (Records: 1)
Anhinga
Accidental (Records: 4)
Tricolored Heron
Accidental (Records: 7)
Reddish Egret
Accidental (Records: 1)
White Ibis
Accidental (Records: 3)
Roseate Spoonbill
Casual (Records: 7)
White-tailed Kite
Accidental (Records: 3)
Northern Hawk Owl
Accidental (Records: 2)
Great Gray Owl
Accidental (Records: 4)
Boreal Owl
Accidental (Records: 2)
Lewis's Woodpecker
Accidental (Records: 5)
Acorn Woodpecker
Accidental (Records: 1)
Red-breasted Sapsucker
Accidental (Records: 1)
Black-backed Woodpecker
Accidental (Records: 3)
Crested Caracara
Accidental (Records: 1)
Fork-tailed Flycatcher
Accidental (Records: 2)
Western Wood-Pewee
Accidental (Records: 1)
Western Flycatcher
Accidental (Records: 1)
Vermilion Flycatcher
Accidental (Records: 2)
Canada Jay
Accidental (Records: 3)
Pinyon Jay
Accidental (Records: 2)
Clark's Nutcracker
Accidental (Records: 2)
Common Raven
Accidental (Records: 4)
Boreal Chickadee
Accidental (Records: 2)
Violet-green Swallow
Accidental (Records: 1)
Cave Swallow
Accidental (Records: 1)
Pygmy Nuthatch
Accidental (Records: 2)
Pacific Wren
Accidental (Records: 1)
Curve-billed Thrasher
Accidental (Records: 1)
Sage Thrasher
Accidental (Records: 2)
Sprague's Pipit
Casual (Records: 11)
Brambling
Accidental (Records: 2)
Gray-crowned Rosy-Finch
Accidental (Records: 2)
Hoary Redpoll
Casual (Records: 18)
Lesser Goldfinch
Accidental (Records: 4)
Chestnut-collared Longspur
Accidental (Records: 2)
Black-throated Sparrow
Accidental (Records: 1)
Lark Bunting
Accidental (Records: 7)
Golden-crowned Sparrow
Accidental (Records: 3)
Baird's Sparrow
Accidental (Records: 1)
Green-tailed Towhee
Accidental (Records: 3)
Hooded Oriole
Accidental (Records: 2)
Bullock's Oriole
Casual (Records: 6)
Scott's Oriole
Accidental (Records: 1)
Swainson's Warbler
Accidental (Records: 1)
MacGillivray's Warbler
Accidental (Records: 1)
Black-throated Gray Warbler
Accidental (Records: 2)
Townsend's Warbler
Accidental (Records: 3)
Black-headed Grosbeak
Casual (Records: 17)